221113313203 has 4 divisors (see below), whose sum is σ = 228737910240. Its totient is φ = 213488716168.

The previous prime is 221113313189. The next prime is 221113313231. The reversal of 221113313203 is 302313311122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221113313203 - 2¹⁷ = 221113182131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221113313273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812298475 + ... + 3812298532.

It is an arithmetic number, because the mean of its divisors is an integer number (57184477560).

Almost surely, 2^221113313203 is an apocalyptic number.

221113313203 is a deficient number, since it is larger than the sum of its proper divisors (7624597037).

221113313203 is an equidigital number, since it uses as much as digits as its factorization.

221113313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624597036.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 221113313203 its reverse (302313311122), we get a palindrome (523426624325).

The spelling of 221113313203 in words is "two hundred twenty-one billion, one hundred thirteen million, three hundred thirteen thousand, two hundred three".